<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">Chris,</div><div dir="ltr"><br></div><div dir="ltr">I guess if somebody wanted to, it could be available as an unsoldered kit of Pcb and parts. The problem with assembled kits is CE (and ROHS) certification for sale in EU, but unsoldered kits are generally considered exempted from that (although the radio / antenna part of it is a gray area).</div><div dir="ltr"><br></div><div dir="ltr">Regards, Mark</div><div dir="ltr"><br><div dir="ltr"></div><blockquote type="cite">On Apr 27, 2025, at 3:03 PM, Chris van der Meijden via OvmsDev <ovmsdev@lists.openvehicles.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div>Hi Christian,</div><div><br></div><div>very impressive. You did a great job on the development and on the documentation.</div><div><br></div><div>It is good to have an alternative hardware option.</div><div><br></div><div>As you mentioned, it is a disadvantage that OTA is not possible, but that seems to be the price for a cheaper hardware. Other obstacles I see, is that the hardware seems only available directly from China and that we need to build our own motherboard. That is for me the greatest hurdle, alltough you did a great documentation with the Eagle schematics.</div><div><br></div><div>I would like to test your hardware approach, if the hardware would be available as a "ready to go" kit. Are you planning on providing such a kit?</div><div><br></div><div>I could definitly see this as part of the OVMS repository. Lets see what the other opinions on that are :-)</div><div><br></div><div>Regards</div><div><br></div><div>Chris</div><div><br></div><div>Am Samstag, dem 26.04.2025 um 17:40 +0200 schrieb Info via OvmsDev:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>Hi,<br></div><div>I finished the implementation and documentation of the OVMS module based <br></div><div>on the Lilygo T-Call A7670E board (ESP32 WROVER E and a Simcom A7670E).<br></div><div>The module is in operation since more than a month in my Smart EQ.<br></div><div><br></div><div>The hardware details can be found here: <br></div><div><a href="https://github.com/zbchristian/OVMS-Lilygo-based-Module">https://github.com/zbchristian/OVMS-Lilygo-based-Module</a><br></div><div><br></div><div>There are some limitations wrt the standard module:<br></div><div>- only 4MB Flash -> no OTA update<br></div><div>- no GPIO extender -> only 2 CAN buses<br></div><div>- no SD-card support<br></div><div><br></div><div>The required modification in the firmware:<br></div><div>- remapping of the ESP32 pins in ovms_peripherals<br></div><div>- replace some of the GPIO extender pins by standard ESP32 pins<br></div><div>- new hardware option in menuconfig (set CONFIG_OVMS_HW_BASE_LILYGO_1_0=y)<br></div><div>- Simcom 7670 modem support (already available in the OVMS repo)<br></div><div><br></div><div>All this is available in the branch lilygo-support of <br></div><div><a href="https://github.com/zbchristian/Open-Vehicle-Monitoring-System-3-Lilygo-Support">https://github.com/zbchristian/Open-Vehicle-Monitoring-System-3-Lilygo-Support</a><br></div><div><br></div><div>My question to the main developers: Is there interest to incorporate <br></div><div>this into the official OVMS repository?<br></div><div><br></div><div>Best regards<br></div><div> Christian<br></div><div><br></div><div>_______________________________________________<br></div><div>OvmsDev mailing list<br></div><div><a href="mailto:OvmsDev@lists.openvehicles.com">OvmsDev@lists.openvehicles.com</a><br></div><div><a href="http://lists.openvehicles.com/mailman/listinfo/ovmsdev">http://lists.openvehicles.com/mailman/listinfo/ovmsdev</a><br></div></blockquote><div><br></div><div><span></span></div>
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